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        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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        <title>welcome</title>
        <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/hack-font@3.3.0/build/web/hack-subset.css" />
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        <link href="https://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
        <style>
            * {
                padding: 0;
                margin: 0;
            }

            body {
                display: flex;
                justify-content: center;
                align-items: center;
                height: 100vh;
                width: 100vw;
                background: #f3f3f3;
            }

            h1 {
                font-family: Hack, 'Roboto', 'Helvetica Neue', sans-serif;
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                text-align: center;
                font-weight: normal;
                color: #9b59b6;
            }

            h1 i {
                font-size: 125px !important;
            }

            h1 strong {
                font-size: 55px;
            }

            h1 span {
                font-size: 14px;
                color: #7f8c8d;
            }

            h1 a {
                font-size: 14px;
                color: #7f8c8d;
            }
        </style>
    </head>

    <body>
        <h1>
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            <strong> houdunren.com</strong>
            <span> <a href="https://houdunren.com">提供高质量的视频教程</a></span>
        </h1>
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